Mitsubishi Electronics MXZ-4A80VA manual

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Table of contents for the manual

  • Page 1

    Refer to the installation manual of each indoor unit for indoor unit installation. INST ALLA TION MANUAL FOR INST ALLER CONTENTS 1. THE FOLLOWING SHOULD AL W A YS BE OBSER VED FOR SAFETY ........................................................................................... 2 2. INST ALLA TION DIAGRAM & ACCESSORIES .........................[...]

  • Page 2

    2 K H F I J E C D 2 . INST ALLA TION DIAGRAM & ACCESSORIES 1. THE FOLLOWING SHOULD AL W A YS BE OBSER VED FOR SAFETY • Be sure to read “THE FOLLOWING SHOULD ALW A YS BE OBSERVED FOR SAFETY” before install- ing the air conditioner . • Be sure to observe the cautions specified here as they include important items related to safety . • T[...]

  • Page 3

    3 Parts to be locally procured A Power supply cord 1 (3-core 2.5 mm 2 ) B Indoor/outdoor unit connecting wire 1 (4-core 1.0 mm 2 /1.5 mm 2 ) C Extension pipe According to “Selecting pipe size” 1 D Wall hole cover 1 E Piping tape 1 F Extension drain hose (or soft vinyl chloride hose of 1 15 mm in internal dia. or hard vinyl chloride pipe VP16) G[...]

  • Page 4

    4 4. OUTDOOR UNIT INST ALLA TION 4-1 INST ALLING THE UNIT • Be sure to fix the unit ’ s legs with bolts when installing it. • Be sure to install the unit firmly to ensure that it does not fall by an earthquake or a gust. • Refer to the figure in the right for concrete foundation. Note: The length of anchor bolts should be within 25 mm from [...]

  • Page 5

    5 Connect to the supply terminals and leave a contact separation of at least 3 mm at each pole to disconnect the source power pole. (When the power switch is shut of f, it must disconnect all poles.) <Front View> <Right Side View> 35 mm 15 mm Indoor/Outdoor unit connecting wire B Cable clamp Power supply cord A 4-4 INDOOR/OUTDOOR WIRE C[...]

  • Page 6

    6 Copper pipe Good No good Tilted Uneven Burred Burr Copper pipe Spare reamer Pipe cutter Flare nut Copper pipe 5-2 FLARING WORK • Main cause of gas leakage is defect in flaring work. Perform flaring work correctly in the following procedure. 1. Pipe cutting • Cut the copper pipe correctly with pipe cutter . 2. Burrs removal • Completely remo[...]

  • Page 7

    7 A Die Copper pipe Flare nut Die Copper pipe Smooth all around Even length all around Inside is shining without any scratches Y ork 4. Flaring work • Perform flaring work using flaring tool as shown in the right. A (mm) Outside diameter Flare tool for R410A Conventional flare tool clutch type Clutch type Wing nut type ø 6.35 mm 0 to 0.5 1.0 to [...]

  • Page 8

    8 W ARNING: When installing or moving the unit, do not mix anything other than specified refrigerant (R410A) into the refrigerating cycle. If air is mixed, it may cause the refrigerating cycle to get abnormally high temperature, causing a risk of burst. Tightening torque N · m kgf · cm Cap for service port 13.7 to 17.7 140 to 180 Cap for stop val[...]

  • Page 9

    9 A B C D 5-9 GAS CHARGE Perform gas charge to unit. 1 Connect gas cylinder to the service port of stop valve. 2 Perform air purge of the pipe (or hose) coming from refrigerant gas cylinder . 3 Replenish specified amount of the refrigerant, while operating the air conditioner for cooling. Note: In case of adding refrigerant, comply with the quantit[...]

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  • Page 12

    HEAD OFFICE: T OKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAP AN SG79Y674H01[...]